On 3/10/23 12:26, Lee Courtney via cctalk wrote:
Mainframe - Minicomputer = RAS and order magnitude better I/O
That I think is the best distinction from the minicomputer era.
Even within the same system architecture (e.g. VAX's) there were
machines that were solidly mini's and those that tended toward
mainframes. Implementation features like redundancy, data path retry,
ECC in more places, separate maintenance processors, many I/O buses, and
more memory bandwidth distinguished machines that aspired to be "big
iron". And of course it all came with a corresponding "big price tag".
